Flush valve housing



FIG. 1 is a top, front, and right side perspective view of a flush valve housing in accordance with an embodiment of the design;

FIG. 2 is a front elevational view of the flush valve housing of FIG. 1;

FIG. 3 is a rear elevational view of the flush valve housing of FIG. 1;

FIG. 4 is a top plan view of the flush valve housing of FIG. 1;

FIG. 5 is a bottom plan view of the flush valve housing of FIG. 1;

FIG. 6 is a right side elevational view of the flush valve housing of FIG. 1; and,

FIG. 7 is a left side elevational view of the flush valve housing of FIG. 1.

The broken lines shown in the figures are for the purpose of illustrating portions of the flush valve housing which form no part of the claimed design. 

CLAIM The ornamental design for a flush valve housing, as shown and described. 